; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s -check-prefix=X87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87 | FileCheck %s -check-prefixes=NOX87,NOSSE-NOX87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87,-sse2 | FileCheck %s -check-prefixes=NOX87,NOSSE-NOX87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87,+sse2 | FileCheck %s -check-prefixes=NOX87,SSE-NOX87
define float @f1(float %a, float %b) nounwind {
; X87-LABEL: f1:
; X87: # %bb.0: # %entry
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f1:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f1:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: retl
entry:
ret float %b
}
define double @f2(double %a, double %b) nounwind {
; X87-LABEL: f2:
; X87: # %bb.0: # %entry
; X87-NEXT: fldl {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOX87-LABEL: f2:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOX87-NEXT: retl
entry:
ret double %b
}
define x86_fp80 @f3(x86_fp80 %a, x86_fp80 %b) nounwind {
; X87-LABEL: f3:
; X87: # %bb.0: # %entry
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOX87-LABEL: f3:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %ecx
; NOX87-NEXT: retl
entry:
ret x86_fp80 %b
}
define float @f4(float %a, float %b) nounwind {
; X87-LABEL: f4:
; X87: # %bb.0: # %entry
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fadds {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f4:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: calll __addsf3
; NOSSE-NOX87-NEXT: addl $8, %esp
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f4:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: addss {{[0-9]+}}(%esp), %xmm0
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: retl
entry:
%0 = fadd float %a, %b
ret float %0
}
define double @f5(double %a, double %b) nounwind {
; X87-LABEL: f5:
; X87: # %bb.0: # %entry
; X87-NEXT: fldl {{[0-9]+}}(%esp)
; X87-NEXT: faddl {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f5:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: calll __adddf3
; NOSSE-NOX87-NEXT: addl $16, %esp
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f5:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: pushl %ebp
; SSE-NOX87-NEXT: movl %esp, %ebp
; SSE-NOX87-NEXT: andl $-8, %esp
; SSE-NOX87-NEXT: subl $8, %esp
; SSE-NOX87-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE-NOX87-NEXT: addsd 16(%ebp), %xmm0
; SSE-NOX87-NEXT: movsd %xmm0, (%esp)
; SSE-NOX87-NEXT: movl (%esp), %eax
; SSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; SSE-NOX87-NEXT: movl %ebp, %esp
; SSE-NOX87-NEXT: popl %ebp
; SSE-NOX87-NEXT: retl
entry:
%0 = fadd double %a, %b
ret double %0
}
; FIXME: We should not generate x87 instructions when x87 is disabled.
define x86_fp80 @f6(x86_fp80 %a, x86_fp80 %b) nounwind {
; X87-LABEL: f6:
; X87: # %bb.0: # %entry
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: faddp %st, %st(1)
; X87-NEXT: retl
;
; NOX87-LABEL: f6:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: pushl %ebp
; NOX87-NEXT: movl %esp, %ebp
; NOX87-NEXT: andl $-8, %esp
; NOX87-NEXT: subl $48, %esp
; NOX87-NEXT: movl 20(%ebp), %eax
; NOX87-NEXT: movl 24(%ebp), %ecx
; NOX87-NEXT: movl %ecx, {{[0-9]+}}(%esp)
; NOX87-NEXT: movl %eax, {{[0-9]+}}(%esp)
; NOX87-NEXT: movl 28(%ebp), %eax
; NOX87-NEXT: movw %ax, {{[0-9]+}}(%esp)
; NOX87-NEXT: movl 8(%ebp), %eax
; NOX87-NEXT: movl 12(%ebp), %ecx
; NOX87-NEXT: movl %ecx, {{[0-9]+}}(%esp)
; NOX87-NEXT: movl %eax, {{[0-9]+}}(%esp)
; NOX87-NEXT: movl 16(%ebp), %eax
; NOX87-NEXT: movw %ax, {{[0-9]+}}(%esp)
; NOX87-NEXT: fldt {{[0-9]+}}(%esp)
; NOX87-NEXT: fldt {{[0-9]+}}(%esp)
; NOX87-NEXT: faddp %st, %st(1)
; NOX87-NEXT: fstpt (%esp)
; NOX87-NEXT: movl (%esp), %eax
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOX87-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; NOX87-NEXT: movl %ebp, %esp
; NOX87-NEXT: popl %ebp
; NOX87-NEXT: retl
entry:
%0 = fadd x86_fp80 %a, %b
ret x86_fp80 %0
}
define {float, float, float} @f7(float %a, float %b) nounwind {
; X87-LABEL: f7:
; X87: # %bb.0: # %entry
; X87-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fstps 8(%eax)
; X87-NEXT: fsts 4(%eax)
; X87-NEXT: fstps (%eax)
; X87-NEXT: retl $4
;
; NOSSE-NOX87-LABEL: f7:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %ecx
; NOSSE-NOX87-NEXT: movl %eax, %edx
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f7:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: movd %xmm0, %edx
; SSE-NOX87-NEXT: movd %xmm1, %ecx
; SSE-NOX87-NEXT: retl
entry:
%0 = insertvalue {float, float, float} undef, float %a, 0
%1 = insertvalue {float, float, float} %0, float %a, 1
%2 = insertvalue {float, float, float} %1, float %b, 2
ret {float, float, float} %2
}